Art Vatsky, P.E. Explains Coates Spherical Rotary Valve
Technology

Coates Spherical Rotary Valve Cylinderhead

WALL TOWNSHIP, N.J.--Coates International, Ltd. (OTCBB: COTE) announced
that Art Vatsky, a
well-known professional engineer and CEO of Future Fuels Technology,
has
provided a clear explanation of the company's technology. That
independent report is as follows:

George G. Coates, CEO of Coates International, Ltd. has devoted a
good
part of his career to developing and perfecting a
spherical rotary valve to be used to replace poppet valves in
internal
combustion piston engines.

After visiting Coates International last December and January, and
witnessing operation of generator set and motorcycle engines,
reviewing
components and discussing theory, Art Vatsky, P.E., mechanical
engineer
and principal at Future Fuels Consulting, Teaneck, NJ reported: “With
more than a billion engines in use today, the Coates SRV is a long
overdue and important advance.” It is
possible
to make the significance clear by defining the terms of the Spherical
Rotary Valve.

Valve - acts as a door –
it can be open or closed. It allows flow when open or halts flow
when
closed. In today’s engines, the “doors”
are poppet valves, which control air into and exhaust gas out of
engine combustion chambers. They require close tolerances, special
materials, and many small parts. They
move in and out –
reciprocal motion– at very high
speeds that cause wear, vibration and noise. They consume power and
are a constraint on modern engine design.

Rotary - The Coates valve is
like a revolving door –
with fewer parts, continuous motion, and near silent operation. The
Coates rotary valves successfully replace the current complex
poppet
valve train, providing a clear flow area when open and an effective
seal when closed.

Spherical–
refers to the sealing surface of the Coates rotary valve. The
Coates
rotary valve looks like a section of a globe. The spherical surface
allows the seals to closely conform to the valve at all speeds and
temperatures.

By successfully replacing
reciprocating
motion by rotation, Mr. Coates has achieved an elegant
solution
to a problem – the limitations of poppet
valves – most engineers have chosen to
accept
rather than solve.” The CSRV allows
engines
to operate with lower internal friction and vibration, with better
breathing capability, with higher compression ratios, and at higher
rotating speeds. In other words, employing CSRV allows for smaller,
faster, higher performing, more efficient engines just when industry
is
desperately seeking such results. Further, the
Coates SRV is scalable to all size piston engines and adaptable
to today’s
existing engine designs. Its components simply replace the
poppet
valve and valve train portion of an engine, leaving other major
components unchanged. There is no need to retool entire engine
factories
to use the CSRV system. Finally, the CSRV system is compatible with
all
the conventional and alternate fuels under development including
biofuels, natural gas and hydrogen.

The world market for new engines is very large for industrial,
automotive, construction equipment, and a myriad of other
applications.
All these applications face the need for
higher efficiency, lower emissions and costs. In the US there
are
nearly 240 million registered road vehicles according to the US
Department of Transportation.

World diesel engine sales are currently estimated at $25 million a
year.
Overall, more than 150 million engines are being manufactured each
year.
Coates SRV technology is ready just when the world engine market
needs
it."

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